Repair test for WG14 N3364 (#163551)

The CodeGen test was missing a call to FileCheck which is now added

Author: AaronBallman

clang/test/C/C2y/n3364.c

@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -verify -std=c2y -ffreestanding -Wall -pedantic -emit-llvm -o - %s
-// RUN: %clang_cc1 -verify -ffreestanding -Wall -pedantic -emit-llvm -o - %s
+// RUN: %clang_cc1 -verify -std=c2y -ffreestanding -Wall -pedantic -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -verify -ffreestanding -Wall -pedantic -emit-llvm -o - %s | FileCheck %s
 // expected-no-diagnostics
 
 /* WG14 N3364: Yes
@@ -23,20 +23,20 @@
 float f1 = FLT_SNAN;
 float f2 = +FLT_SNAN;
 float f3 = -FLT_SNAN;
-// CHECK: @f1 = {{.*}}global float 0x7FF0000020000000
-// CHECK: @f2 = {{.*}}global float 0x7FF0000020000000
-// CHECK: @f3 = {{.*}}global float 0xFFF0000020000000
+// CHECK: @f1 = {{.*}}global float 0x7FF4000000000000
+// CHECK: @f2 = {{.*}}global float 0x7FF4000000000000
+// CHECK: @f3 = {{.*}}global float 0xFFF4000000000000
 
 double d1 = DBL_SNAN;
 double d2 = +DBL_SNAN;
 double d3 = -DBL_SNAN;
-// CHECK: @d1 = {{.*}}global double 0x7FF0000000000001
-// CHECK: @d2 = {{.*}}global double 0x7FF0000000000001
-// CHECK: @d3 = {{.*}}global double 0xFFF0000000000001
+// CHECK: @d1 = {{.*}}global double 0x7FF4000000000000
+// CHECK: @d2 = {{.*}}global double 0x7FF4000000000000
+// CHECK: @d3 = {{.*}}global double 0xFFF4000000000000
 
 long double ld1 = LDBL_SNAN;
 long double ld2 = +LDBL_SNAN;
 long double ld3 = -LDBL_SNAN;
-// CHECK: @ld1 = {{.*}}global {{double 0x7FF0000000000001|x86_fp80 0xK7FFF8000000000000001|fp128 0xL00000000000000017FFF000000000000}}
-// CHECK: @ld2 = {{.*}}global {{double 0x7FF0000000000001|x86_fp80 0xK7FFF8000000000000001|fp128 0xL00000000000000017FFF000000000000}}
-// CHECK: @ld3 = {{.*}}global {{double 0xFFF0000000000001|x86_fp80 0xKFFFF8000000000000001|fp128 0xL0000000000000001FFFF000000000000}}
+// CHECK: @ld1 = {{.*}}global {{double 0x7FF4000000000000|x86_fp80 0xK7FFFA000000000000000|fp128 0xL00000000000000007FFF400000000000}}
+// CHECK: @ld2 = {{.*}}global {{double 0x7FF4000000000000|x86_fp80 0xK7FFFA000000000000000|fp128 0xL00000000000000007FFF400000000000}}
+// CHECK: @ld3 = {{.*}}global {{double 0xFFF4000000000000|x86_fp80 0xKFFFFA000000000000000|fp128 0xL0000000000000000FFFF400000000000}}